A large hand dropped down to bury within thick, dark hair as Tony worked his shaft. When that finger inside of him moved though, Gladio's thoughts of laughing fled at the strange sensation. Okay, he wasn't entirely sure he was on board with this. At least in that brief moment, before Tony began massaging other parts that did feel good.

He remembered to breathe then, in time to hear Tony's question.

"It's... new." That was the best word he could think to use. Not awful but he didn't feel like writhing around like Prompto used to. Maybe he wasn't quite built for that? He wondered how Tony would react to the same thing. Whatever the case, while he knew rushing through this part, especially for a first time, was bad... he couldn't help the slight impatience that entered his voice when he continued. "Just keep going. I can take it."